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The horizontal fraction bar was introduced by the Arabs.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
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Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
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There are approximately 3 million unintended pregnancies in the United States each year.